/*!	 dialogs/dialog_gradient.h
**	 Template Header
**
**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifndef __SYNFIG_STUDIO_DIALOG_GRADIENT_H
#define __SYNFIG_STUDIO_DIALOG_GRADIENT_H

#include <gtk/gtk.h>
#include <gtkmm/adjustment.h>
#include <gtkmm/table.h>
#include <gtkmm/button.h>
#include <gtkmm/dialog.h>
#include <gtkmm/drawingarea.h>
#include <gtkmm/checkbutton.h>

#include <synfig/gamma.h>
#include <synfig/time.h>

#include "widgets/widget_gradient.h"
#include "widgets/widget_coloredit.h"

#include <synfigapp/value_desc.h>
#include <synfig/time.h>

#include "dialogsettings.h"

namespace Gtk
{
class Menu;
class SpinButton;
};

namespace synfigapp
{
class CanvasInterface;
};

namespace studio
{

class Widget_Gradient;
class Widget_ColorEdit;

class Dialog_Gradient : public Gtk::Dialog
{
    DialogSettings dialog_settings;

    Gtk::SpinButton *spinbutton_pos;

    Glib::RefPtr<Gtk::Adjustment> adjustment_pos;

    sigc::signal<void, synfig::Gradient> signal_edited_;

    sigc::connection value_changed_connection;

    void on_set_default_pressed();

    void on_cpoint_selected(synfig::Gradient::CPoint x);
    void on_values_adjusted();

    Widget_Gradient* widget_gradient;
    Widget_ColorEdit* widget_color;
    Gtk::Button *set_default_button;

    void on_changed();

public:

    sigc::signal<void, synfig::Gradient>& signal_edited()
    {
        return signal_edited_;
    }

    void set_gradient(const synfig::Gradient& x);

    const synfig::Gradient& get_gradient()const
    {
        return widget_gradient->get_value();
    }

    void set_default_button_set_sensitive(bool sensitive)
    {
        set_default_button->set_sensitive(sensitive);
    }

    void reset();

    Dialog_Gradient();
    ~Dialog_Gradient();
    // Interface to external calls to fill in the Gradient Editor Dialog
    // when a Constant ValueNode or a Animated ValueNode is double cliked.
    void edit(const synfigapp::ValueDesc &x, etl::handle<synfigapp::CanvasInterface> canvas_interface, synfig::Time time = 0);
}; // END of Dialog_Gradient

}; // END of namespace studio

#endif